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What are the main factors when deciding whether or not the Poisson distribution is a suitable model?

The events must occur: randomly; singly in space or time; independely of each other and at a constant rate
RA
Answered by Rizwana A. • Maths tutor
4066 Views

How should I structure an essay question?

Old proverb: 'Essay is like a pearl necklace' ... Stay with me on this. When writing an essay it's good to visualise a necklace. The pearl beads are your paragraphs, they're where all your beautiful knowledg...
HW
Answered by Honor W. • History tutor
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Explain how Differentiation by the chain rule works

If the expression to be differentiated is a (differentiable) function of another (differentiable) function, then the chain rule must be applied. For example y= f(g(x)), where f and g are both differentiable,...
GO
Answered by Gwyndaf O. • Maths tutor
4292 Views

Explain how hazard-resistant design can reduce the impact of earthquakes in the developing world

Hazard resistant design in developing countries mitigates the impact of earthquakes. Simpe changes reduce the cost of repair and minimise risk of injury. For example, houses are built with steel rod foundati...
LE
Answered by Lucy E. • Geography tutor
16986 Views

'Charming, creative, chaotic'. By considering the presentation of Puck and the fairies in A Midsummer Night's Dream, evaluate this view.

Intro: Robin Goodfellow and the fairies, in the round, can be considered 'Charming, creative and chaotic'. This phrase, in itself, can be interpreted in many different ways as we do not only see these qualit...
DT
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